Transaction

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9cec34d5b90b71e2503d7b2b5413f5420d1720f30e4c0b14ec7a7c4471a0033d:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34